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MongoDB-operators

44 posts

How to write a function to get rows from database by multiple columns conditionally ?

Last Updated: 23 July 2025

MongoDB, the most popular NoSQL database, we can get rows from the database by multiple columns conditionally from MongoDB Collection using the MongoDB collection.find() f...read more

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Web Technologies

MongoDB-operators

How to Check Field Existence in MongoDB?

Last Updated: 23 July 2025

MongoDB is a NoSQL database that offers a variety of operators to enhance the flexibility and precision of queries. One such operator is $exists, which is used to check th...read more

MongoDB-operators

MongoDB - Regex

Last Updated: 23 July 2025

The $regex operator in MongoDB is a powerful tool that provides regular expression capabilities for pattern matching within strings in queries. It is particularly useful w...read more

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MongoDB-operators

MongoDB $substrCP Operator

Last Updated: 15 July 2025

The $substrCP operator in MongoDB is a powerful tool used within the aggregation framework to extract substrings from strings based on Unicode code points. Unlike traditio...read more

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MongoDB-operators

Adding and Querying the Data in MongoDB

Last Updated: 15 July 2025

In MongoDB, data is stored in BSON format within collections. This guide covers the essential steps for adding and querying data in MongoDB, including creating collections...read more

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Web Technologies

MongoDB-operators

MongoDB $arrayElemAt Operator

Last Updated: 15 July 2025

MongoDB is a widely used NoSQL database known for its flexible data model. One of the essential features of MongoDB is its support for array data types. The $arrayElemAt o...read more

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MongoDB-operators

MongoDB $concatArrays Operator

Last Updated: 15 July 2025

MongoDB provides a set of operators for manipulating and transforming data within its powerful aggregation framework. One of the most useful array expression operators is ...read more

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MongoDB-operators

MongoDB - $isArray Operator

Last Updated: 15 July 2025

In MongoDB, arrays are used to store lists of information such as product categories or tags. The $isArray operator is a tool that helps us to check if a specific field co...read more

MongoDB-operators

MongoDB $reverseArray Operator

Last Updated: 15 July 2025

MongoDB is a powerful NoSQL database designed for scalability and flexibility. One of the most useful features MongoDB offers is its ability to handle arrays within docume...read more

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MongoDB-operators

MongoDB $size Operator

Last Updated: 15 July 2025

When working with data in MongoDB, arrays are a fundamental data type used to store multiple values in a single field. Whether we're handling lists of tags, categories, or...read more

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MongoDB-operators

MongoDB $pow Operator

Last Updated: 15 July 2025

MongoDB's $pow operator is a powerful tool within the aggregation framework which is designed to compute exponentiation operations directly on numeric fields. In this arti...read more

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MongoDB-operators

MongoDB $exp Operator

Last Updated: 15 July 2025

MongoDB's aggregation framework provides a powerful set of tools for data manipulation and processing. One such tool is the $exp operator which allows users to perform exp...read more

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MongoDB-operators

MongoDB $cmp Operator

Last Updated: 15 July 2025

The MongoDB $cmp operator is a powerful tool for comparing two values within documents, commonly used in aggregation pipelines for sorting or conditional operations. It pl...read more

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MongoDB-operators

MongoDB $strcasecmp Operator

Last Updated: 15 July 2025

MongoDB, one of the leading NoSQL databases, provides a powerful suite of operators for manipulating and comparing data. Among these operators, the $strcasecmp operator pl...read more

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MongoDB-operators

MongoDB $toUpper Operator

Last Updated: 15 July 2025

When working with text data in MongoDB, it's often necessary to standardize or manipulate strings. One powerful tool that MongoDB offers for this purpose is the $toUpper o...read more

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MongoDB-operators